package org.example.springwebmvc.controller;

import jakarta.servlet.http.HttpSession;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.SessionAttribute;

@RestController
@RequestMapping("/user")
public class UserController {

    @RequestMapping("/login")
    public Boolean login(String userName, String password, HttpSession session) {
        if (!StringUtils.hasLength(userName) || !StringUtils.hasLength(password)) {
            // 使用 Spring 内置的 StringUtils 检查参数是否为空或仅包含空白字符
            return false;
        }
        if ("admin".equals(password) && "admin".equals(userName)) {
            // 设置 session 属性
            session.setAttribute("userName", userName);
            return true;
        }
        return false;
    }

    @RequestMapping("/index")
    public String getUserName(@SessionAttribute("userName") String userName) {
        return ": " + userName;
    }
}
